WO2009038392A2 - Appareil et procédé destinés au remappage et au regroupement de ressources dans un système de communication sans fil - Google Patents

Appareil et procédé destinés au remappage et au regroupement de ressources dans un système de communication sans fil Download PDF

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WO2009038392A2
WO2009038392A2 PCT/KR2008/005569 KR2008005569W WO2009038392A2 WO 2009038392 A2 WO2009038392 A2 WO 2009038392A2 KR 2008005569 W KR2008005569 W KR 2008005569W WO 2009038392 A2 WO2009038392 A2 WO 2009038392A2
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denotes
time slot
index
resource
cyclic
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PCT/KR2008/005569
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WO2009038392A3 (fr
Inventor
Zhouyue Pi
Joon-Young Cho
Farooq Khan
Ju-Ho Lee
Aris Papasakellariou
Jianzhong Zhang
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Samsung Electronics Co., Ltd.
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Priority to JP2010525764A priority Critical patent/JP5144761B2/ja
Priority to CN2008801076636A priority patent/CN101803243B/zh
Priority to IN3348CHN2014 priority patent/IN2014CN03348A/en
Publication of WO2009038392A2 publication Critical patent/WO2009038392A2/fr
Publication of WO2009038392A3 publication Critical patent/WO2009038392A3/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation

Definitions

  • the present invention relates to methods and apparatus for remapping and regrouping transmission resources in a wireless communication system.
  • Telecommunication enables transmission of data over a distance for the purpose of communication between a transmitter and a receiver.
  • the data is usually carried by radio waves and is transmitted using a limited transmission resource. That is, radio waves are transmitted over a period of time using a limited frequency range.
  • 3GPP Third (3 rd ) Generation Partnership Project Long Term Evolution
  • one type of the transmission resource used in the uplink control channel (PUCCH) is known as a Cyclic shift (CS) for each OFDM symbol.
  • the PUCCH occupies twelve subcarriers in one resource block (RB) and therefore twelve CS resources in one RB.
  • ACK UL acknowledgement
  • RS reference signal
  • ACK/NAK acknowledgement and negative acknowledgement
  • UL uplink
  • CS cyclic shift
  • OC orthogonal cover
  • base sequence Zadoff-Chu sequence.
  • a global resource mapping scheme is established between N resource combinations in a first time slot and N resource combinations in a second time slot in dependence upon a certain parameter n .
  • the parameter n may be the same for all cells in the communication network.
  • the parameter n may be assigned to each cell in the communication network in dependence upon an identification of the cell.
  • Each of the resource combinations includes an orthogonal cover selected from a plurality of orthogonal covers and a cyclic shift of a base sequence selected from a plurality of cyclic shifts.
  • a cell-specific symbol level cyclic shift hopping pattern may be established to shift the index of the cyclic shift within at least one resource combination on a modulation symbol in a subframe in a cell by an amount specified by h _sym(c _id,s _id,l id) .
  • a cell-specific slot-level cyclic shift hopping pattern may be established to shift the index of the cyclic shift within at least one resource combination in a time slot in a cell by an amount specified by h _slot(c _id,sl id) .
  • PBRO Pruned Bit Reversal Ordering
  • N resource combinations within each of a plurality of time slots are divided into K subsets, with a & -th subset including N k resource combinations, where k - 1, 2, ..., K .
  • An intra-subset resource mapping scheme is established between the resource combinations in the subsets in a first time slot and the resource combinations in the subsets in a second time slot in dependent upon a certain parameter vector
  • H [n u n 2 ,-- -,n ⁇ ], where n k corresponds to a A: -th subset.
  • An inter-subset interleaving scheme is established in at least one time slot in accordance with an interleaving parameter PG[S 1 , s 2 ,- --,s ⁇ ] .
  • a symbol-level cyclic shift mapping scheme is established between M cyclic shifts in a first modulation symbol in a transmission channel and M cyclic shifts in a second modulation symbol in the transmission channel in dependence upon a certain parameter n .
  • the first modulation symbol has an identification number of 1
  • the second modulation symbol has an identification number of more than 1.
  • a slot-level cyclic shift mapping scheme is established between M cyclic shifts in a first time slot in a transmission channel and M cyclic shifts in a second time slot in the transmission channel in dependence upon a certain parameter n .
  • a subframe-level base sequence mapping scheme is established between Z base sequences in a first subframe in a transmission channel and Z base sequences in a second subframe in the transmission channel in dependence upon a certain parameter n .
  • the first subframe has an identification number of 1
  • the second subframe has an identification number of more than 1.
  • a slot-level base sequence mapping scheme is established between Z base sequences in a first time slot and Z base sequences in a second time slot 1 in dependence upon a certain parameter n .
  • the first time slot has an identification number of 1
  • the second time slot has an identification number of more than 1.
  • FIG. 1 is an illustration of an Orthogonal Frequency Division Multiplexing (OFDM) transceiver chain suitable for the practice of the principles of the present invention
  • FIG. 2 schematically illustrates an example of multiplexing six units of user equipments (UEs) within one resource block (RB);
  • FIG. 3 schematically illustrates the current working assumption on the uplink acknowledgement and reference signal channels.
  • FIG. 1 illustrates an Orthogonal Frequency Division Multiplexing (OFDM) transceiver chain.
  • OFDM Orthogonal Frequency Division Multiplexing
  • control signals or data 111 is modulated by modulator 112 into a series of modulation symbols, that are subsequently serial-to-parallel converted by Serial/Parallel (S/P) converter 113.
  • IFFT Inverse Fast Fourier Transform
  • CP Cyclic prefix
  • ZP zero prefix
  • the signal is transmitted by transmitter (Tx) front end processing unit 117, such as an antenna (not shown), or alternatively, by fixed wire or cable.
  • transmitter (Tx) front end processing unit 117 such as an antenna (not shown), or alternatively, by fixed wire or cable.
  • Tx transmitter
  • Rx receiver
  • FFT Fast Fourier Transform
  • the total bandwidth in an OFDM system is divided into narrowband frequency units called subcarriers.
  • the number of subcarriers is equal to the FFT/IFFT size N used in the system.
  • the number of subcarriers used for data is less than N because some subcarriers at the edge of the frequency spectrum are reserved as guard subcarriers. In general, no information is transmitted on guard subcarriers.
  • the PUCCH On the uplink (UL) of the Third Generation Partnership Project (3GPP) long term evolution (LTE) standard, one type of the resource used in the uplink control channel (PUCCH) is known as a Cyclic shift (CS) for each OFDM symbol.
  • the PUCCH occupies twelve subcarriers in one resource block (RB) and therefore we have twelve CS resources in one RB.
  • RB resource block
  • FIG.2 One example of multiplexing six units of user equipment (UEs) in one RB is shown in FIG.2. Note that only six out twelve CSs are used in this example.
  • FIG. 3 illustrates the current working assumption on the transmission block of UL acknowledgement (ACK) channel and reference signal (RS).
  • ACK/NAK signals and the UL RS for ACK/NACK demodulation are multiplexed on the code channels constructed by both a cyclic shift (CS) of a base sequence and an orthogonal cover (OC).
  • CS cyclic shift
  • OC orthogonal cover
  • base sequence Zadoff-Chu sequence.
  • One important aspect of system design is resource remapping on a symbol, slot or subframe-level.
  • PBRO Pruned Bit Reversal Ordering
  • CCE Control Channel Element
  • RE resource element
  • x 12 .
  • a resource permutation function that is based on Galois field operations.
  • N the total number of resources being permuted
  • Galois field N + 1 exists and we denote it by GF( N + 1 ).
  • all N non-zero elements in the GF(N+ 1) can be expressed as an exponent of a , or in another word, the sequence a°,a l ,- - -,a N ⁇ ] includes all N non-zero elements in GF(N+1).
  • Galois field N+l i.e., GF(N+ 1)
  • Form Galois field GF(M+1) find the primitive element ⁇ of GF(M+1).
  • cyclic shift is typically applied on a base sequence
  • base sequences include ZC (Zadoff-Zhu) code and computer generated CAZAC (Constant Amplitude Zero Auto-Correlation) codes.
  • ZC Zero Auto-Correlation
  • CAZAC Constant Amplitude Zero Auto-Correlation
  • P G ⁇ i,n,N is defined in the previous section.
  • PBRO(a,b) is defined previously, and n is chosen from the set ⁇ 1, 2, ..., N).
  • the parameter n in the above two sub- embodiments is the same for all cells.
  • the parameter n can be communicated to the UE by means of higher-layer signaling.
  • n mod(c _id- ⁇ ,N) + ⁇ .
  • OC 1 [I], OC 1 [2] , OC 1 [3] are the three OC codes used in slot 1
  • OC 2 [I] , OC 2 [2] , OC 2 [3] are the three OC codes used in slot 2.
  • OC codes in each slot can be an arbitrary subset of the four length-4 Walsh codes
  • N 12, or 12 OC/CS resource combos in each slot, as shown in Table 4 below.
  • UEs within a give cell we propose to associate the indices of subsets, / and/, with the CELL ID, denoted by c id.
  • c id mod(c _ id - 1, 4) + 1
  • j mod(z + « - 1, 4) + 1 (11) where n is a positive integer.
  • A I subsets in slot#l and slot #2 have the same indices. The formation of these subsets is shown in Table 6 below.
  • i k c (k - N k + c .
  • i k d (k - l) ⁇ N k + d .
  • the resource remapping/permutation within each subset uses the Galois Field based permutation function proposed earlier in Section 1.
  • each subset k we associate/remap the two resources CB ⁇ i k c ⁇ ⁇ and
  • n k is a parameter for subset k such that 1 ⁇ n k ⁇ N k .
  • n [«,, - - -,/ ⁇ ] , the total number of possible parameter vectors is the product N 1 ⁇ N 2 x ...x N ⁇ .
  • PBRO(a,b) is defined in the introduction, and n k is chosen from the set ⁇ 1, 2, ..., N ⁇ .
  • the parameter vector n [ «,,-• -,n ⁇ ] can be communicated to the UE by means of higher-layer signaling.
  • n [n ⁇ ,---,n ⁇ ] .
  • n k mod(cJd-l,N k ) + ⁇ . (17)
  • Table 7 One example of dividing the resources in Table 2 into 3 groups, each with 6 resources.
  • the slot-level resource remapping can be tabulated in the below.
  • the permutation equation d P G (c,n k ,N k ) to derive index i kd from each input index i kc .
  • GF(7) is a ground Galois field.
  • Table 9 Overall resource remapping table, where re-mappings take place within each subsets.
  • A I slot#l and slot #2 have the same indices.
  • the formation of these subsets are shown in Table 6, similar to the previous embodiment.
  • a resource in the first slot is denoted by CB x [I]
  • the resource is denoted by CB 2 [w(i, PG[s x ,s 2 ,- --,s x ])] (or concisely, CB 2 [w(i,PG[ ])] ) in the second slot.
  • CB 2 [w(i, PG[s x ,s 2 ,- --,s x ])]
  • the inter-subset switching pattern PG[S 1 , s 2 ,- •-, s x ] is the same for all cells.
  • the parameter PG[S 1 , s 2 ,- --,s x ] can be communicated to the UE by means of higher-layer signaling.
  • each subset corresponds to all the resource combos on one OC code.
  • G1 [3] ⁇ C5,[13],- -,C5 1 [18] ⁇ .
  • the subsets in slot #2 are similarly defined as G2[l], G2[2] and G2[3].
  • PG[2,3,1] as a subset-wise resource- mapping that maps the resources in subset Gl [2] to subset G2[l], subset Gl [3] to G2[2] and subset Gl [I] to subset G2[3], etc.
  • PG[1,3,2] we can define PG[1,3,2],
  • CB 2 [g(w(i,PG[s ⁇ s 2 ,- --,s K ]),n)] (or concisely, CB 2 [g(w(i, PG[-]),n)] ) in the second slot.
  • PG[S 1 , s 2 ,- --, s ⁇ ] is the inter-subset switching pattern
  • n [n ⁇ , --,n ⁇ ] is the intra-subset remapping parameter vector.
  • the intra-subset permutation g(-,n) function is GF based, or PBRO based, as defined in Section 2.3.
  • the inter-subset switching pattern PG[s ] ,s 2 ,---,s K ] and/or parameter vector n [ «, ,- • -,W x . ] are the same for all cells.
  • the parameter -- ,s ⁇ ] and n [n ⁇ ,- - -,n ⁇ ] can be communicated to the UE by means of higher-layer signaling.
  • Table 11 Example of resource remapping with both intra-subset permutation and inter-subset switchin .
  • a seventh embodiment we propose to combine the slot-level OC/CS combo resource- permutation methods described in the above Sections 2.1-2.4 with a cell-specific symbol-level CS resource hopping pattern, denoted by h _sym ⁇ c _id,s _id,l _id) , where the CELL ID is denoted by c id, the subframe ID is denoted by s id, and the OFDM symbol (Long block) ID within a subframe is denoted by l id.
  • the additional cell-specific hopping step is carried out by cyclically shift the CS resource on a particular OFDM by the amount specified by h _ sym ⁇ c _ id, s _ id, I _ id) .
  • h _ sym ⁇ c _ id, s _ id, I _ id we propose to combine the symbol-level CS resource-permutation methods described in the above embodiments in Sections 2.1-2.4 with a cell- specific slot-level CS resource hopping pattern, denoted by h _slot(c id, si _id) , where the CELL ID is denoted by c id, the slot ID is denoted by si id.
  • the additional cell-specific hopping step is carried out by cyclically shift the CS resource on a particular OFDM by the amount specified by h _ slot ⁇ c _ id, si _ id) .
  • the CS index i in the first slot of a subframe will hop to cyclic _shifi(y l ,h_sym(c _id,s id, I _id),K) for an OFDM symbol having an index of l id; and the CS index j in the second slot of a subframe will hop to cyclic _ shift(V j , h _ sym ⁇ c _ id, s _ id, I __ id), K) .
  • the CS index i in the first slot of a subframe will hop to cyclic _shi ⁇ (v ⁇ ,h_slot(c id, si _id),K) for an OFDM symbol having an index of l id; and the CS index j in the second slot of the subframe will hop to cyclic _ shift(V j , h _ slot(c _ id, si _ id), K) .
  • the CS resource assignment/remapping is applicable to the following cases: An uplink control RB that contains only Channel Quality Indicator (CQI) channels;
  • CQI Channel Quality Indicator
  • uplink control RB that contains both CQI and ACK/NACK channels; and An uplink control RB that contains only ACK/NACK channels.
  • uplink service grant request channel may reuse the structure of uplink ACK/NACK channel.
  • a ninth embodiment according to the principles of the present invention, we propose to associate the CS resources in such a way that if some channel of a UE (for example, CQI, ACK/NACK) is allocated the CS resource GS 1 Im] in the first OFDM symbol (/ _id — ⁇ ), then it must be assigned CS 1 ld [t(m,l _id,n)] in the first OFDM symbol (/ _id — ⁇ ), then it must be assigned CS 1 ld [t(m,l _id,n)] in the
  • Slot-level OC remapping is very similar to the slot-level OC/CS combo resource remapping that was discussed throughout the draft, except that the resource being remapping from one slot to the next is only the OC resource, not OC/CS combo resource.
  • OC hopping has the same meaning as CS hopping in this context.
  • the Galois field based remapping/permutation function P G (m,r,M) is defined in the previous section.
  • PBRO(a,b) is defined in the introduction.
  • the parameter n in the above two sub- embodiments is the same for all cells.
  • the parameter n can be communicated to the UE by means of higher-layer signaling.
  • n mod(c _id - ⁇ ,N) + l .
  • the slot-level CS remapping can be combined with slot-level OC-remapping or OC hopping.
  • PBRO(a,b) The function PBRO(a,b) is defined in the introduction.
  • the parameter n in the above two sub- embodiments is the same for all cells.
  • the parameter n can be communicated to the UE by means of higher-layer signaling.
  • n mod(c _ id - 1, M) + 1 .
  • slot-level CS remapping to a dedicated CQI or dedicated A/N uplink RB is straightforward, and therefore we do not provide additional explanation.
  • slot-level CS remapping to a mixed CQI and A/N uplink RB is less obvious, and we provide an example below to show how it works.
  • M 8 CSs
  • remapping only takes place within this set of "used" CSs.
  • Table 16 CS remapping in mixed CQI and ACK/NACK channel uplink
  • both the symbol-level CS remapping proposed in Section 3.1 and slot-level CS remapping proposed in Section 3.2 can be applied.
  • the CS resources allocated to the uplink A/N channels (or serving request) we can apply any of the following (a) the joint slot-level joint OC/CS remapping described in Section 2.1-2.4; (b) the symbol-level CS remapping described in Section 3.1; (c) the slot-level CS remapping described in Section 3.2.
  • Table 17 Illustration of alternative method of resource remapping in the uplink RB with mixed CQI and ACK/NACK channel.
  • CQI channel For the CQI channels, on the other hand, if a CQI channel is assigned the CS resource CS 1 [m] in the first slot, then CQI channel must be assigned
  • CS 2 [g(m,n)] in the second slot [g(m,n)] in the second slot.
  • n 2.
  • the mapping table is omitted here for brevity.
  • the additional cell-specific hopping step is carried out by cyclically shift the CS resource on a particular OFDM by the amount specified by h _ sym(c _ id, s _ id, I _ id) .
  • a thirteenth embodiment according to the principles of the present invention, we propose to combine the symbol-level CS resource-permutation methods described in the above embodiment with a cell-specific slot-level CS resource hopping pattern, denoted by h_slot ⁇ c _id,sl _id), where the CELL ID denoted by c id, the slot ID denoted by sl id.
  • the additional cell-specific hopping step is carried out by cyclically shifting the CS resource on a particular OFDM by the amount specified by h _ slot(c _ id, si _ id) .
  • OFDM symbol l id OFDM symbol l id, according to the symbol-level remapping algorithms discussed earlier. Then if symbol-level cell-specific hopping is used, the CS index will hop to cyclic _shifi(t(m,l _id, ⁇ ),h _sym ⁇ c _id,s id, I _id),K) for OFDM symbol l id.
  • the CS index in the first slot will hop to cyclic _shift(t ⁇ m,l _id,n),h _slot(c _id, si _id), K) for OFDM symbol index by l_id, in the slot indexed by sl id.
  • the description of combination of slot-level CS resource remapping and slot or symbol-level cell-specific hopping is similar, and is omitted for brevity.
  • a fourteenth embodiment according to the principles of the present invention, we propose a slot-level base sequence cell-specific pattern with a period of K consecutive slots.
  • the PBRO function is previously defined.
  • the maximum number of the hop value be denoted by K .
  • the L be the number of OFDM symbols of interest within a subframe.
  • a symbol-level base sequence cell-specific pattern that repeats every subframe, i.e., it is not a function of subframe ID.
  • s id as subframe ID
  • / _id !,- • •, L denotes the OFDM symbol (long block) ID, n is a parameter that is an integer, s id denotes the subframe ID, and c id denotes the CELL ID.
  • the Galois field based remapping/permutation function P G (x,r,K) is defined in Section 1.
  • the PBRO function is defined in the introduction. For example, if there are 12 subcarriers in the LTE uplink control channel
  • BS 1 [Z] z be the base sequence index in the first subframe within one period of Z consecutive subframes
  • BS S ld the base sequence index used in subsequent subframes in the same cell
  • z l, -,Z
  • s_id l,- -,Z
  • n is a parameter that is an integer.
  • s _ id denotes the subframe ID within a period of Z subframes.
  • the Galois field based remapping/permutation function P G (z, r, Z) is defined in the previous section.
  • the Galois field based remapping/permutation function P G (z,r,Z) is defined in the previous section.
  • the physical uplink control channel supports multiple formats as shown in Table 18. Formats 2a and 2b are supported for normal cyclic prefix only. Table 18: Supported PUCCH formats.
  • the resource indices within the two resource blocks in the two slots of a subframe to which the PUCCH is mapped are given by
  • n s denotes a slot number
  • resource index denotes the number of cyclic shift used for PUCCH formats
  • 1/la/lb in a resource block used for a mix of formats 1/1 a/1 b and 2/2a/2b and N ⁇ e ⁇ ,l,...,8 ⁇ , ⁇ p s ", ft CH is a quantity set by higher layers and is represented by:

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Abstract

La présente invention concerne des procédés et un appareil permettant de remapper et de regrouper des ressources de transmission dans un système de communication sans fil. D'une part, un ensemble de nouveaux algorithmes de permutation basés sur l'opération de champ de Galois sont proposés. Par la suite, les algorithmes proposés et l'algorithme de commande d'inversion binaire (PBRO) connu sont appliqués à plusieurs des divers schémas de mappage de ressources, y compris un mappage de décalage cyclique (CS)/d'intervalle ou de couverture orthogonale (OC) de niveau de symbole ou d'intervalle, des modèles de sauts CS de niveau de symbole et de niveau d'intervalle spécifique de cellule, et des modèles de sauts de séquence de base de niveau d'intervalle et de sous-trame.
PCT/KR2008/005569 2007-09-19 2008-09-19 Appareil et procédé destinés au remappage et au regroupement de ressources dans un système de communication sans fil WO2009038392A2 (fr)

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Application Number Priority Date Filing Date Title
JP2010525764A JP5144761B2 (ja) 2007-09-19 2008-09-19 無線通信システムにおけるリソース再マッピング及び再グルーピングのための方法及び装置
CN2008801076636A CN101803243B (zh) 2007-09-19 2008-09-19 在无线通信系统中进行重新映射和重新分组的设备和方法
IN3348CHN2014 IN2014CN03348A (fr) 2007-09-19 2008-09-19

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US96019107P 2007-09-19 2007-09-19
US60/960,191 2007-09-19
US96049707P 2007-10-01 2007-10-01
US60/960,497 2007-10-01
US12/200,462 US8077693B2 (en) 2007-09-19 2008-08-28 Resource remapping and regrouping in a wireless communication system
US12/200,462 2008-08-28

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WO2009038392A3 WO2009038392A3 (fr) 2009-05-07

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US20110305226A1 (en) 2011-12-15
EP2040409A2 (fr) 2009-03-25
EP3211818A1 (fr) 2017-08-30
CN101803243A (zh) 2010-08-11
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MY159544A (en) 2017-01-13
EP2040409B1 (fr) 2019-11-06
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US20090092148A1 (en) 2009-04-09
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CN103001755A (zh) 2013-03-27
KR101485249B1 (ko) 2015-01-21
USRE47486E1 (en) 2019-07-02
JP2014131355A (ja) 2014-07-10
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KR20090030242A (ko) 2009-03-24
CN101803243B (zh) 2013-08-21
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KR20130093573A (ko) 2013-08-22
KR101487556B1 (ko) 2015-02-04
CN103001755B (zh) 2016-11-02
US8681766B2 (en) 2014-03-25
JP5144761B2 (ja) 2013-02-13
EP3211818B1 (fr) 2020-09-02
US8077693B2 (en) 2011-12-13
USRE47374E1 (en) 2019-04-30
JP2010539846A (ja) 2010-12-16
IN2014CN03348A (fr) 2015-07-03
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JP2014222876A (ja) 2014-11-27
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